This is more a protocol than an app. In the early days of computer networking lots of companies had their own proprietary email systems that couldn't talk to ea

This is more a protocol than an app. In the early days of computer networking lots of companies had their own proprietary email systems that couldn't talk to each other. Then an open email protocol was created and email became so much more than an interdepartmental communications tool. This is much the same. Who knows the types of exciting tools it might spawn? existing apps that have already solved the problem Obviously Twitter doesn't solve it for everyone, otherwise you wouldn't see these sort of efforts.